<template>
  <div>
    <!-- Header 区域 -->
    <van-nav-bar fixed title="文章详情" left-arrow @click-left="$router.back()" />

    <!-- 文章信息区域 -->
    <div class="article-container">
      <!-- 文章标题 -->
      <h1 class="art-title">{{artObj.title}}</h1>

      <!-- 用户信息 -->
      <van-cell center :title="artObj.aut_name" :label="timeAgo (artObj.pubdate)">
        <template #icon>
          <img :src="artObj.aut_photo"  class="avatar">
        </template>
        <template #default>
          <div>
            <van-button type="info" size="mini" v-if="artObj.is_followed===true" @click="followedFn(1)">已关注</van-button>
            <van-button icon="plus" type="info" size="mini" plain v-else @click="followedFn(2)">关注</van-button>
          </div>
        </template>
      </van-cell>

      <!-- 分割线 -->
      <van-divider></van-divider>

      <!-- 文章内容 -->
      <div class="art-content" v-html="artObj.content"></div>

      <!-- 分割线 -->
      <van-divider>End</van-divider>

      <!-- 点赞 -->
      <div class="like-box">
        <van-button icon="good-job" type="danger" size="small" v-if="artObj.attitude === 1" @click="isLike(1)">已点赞</van-button>
        <van-button icon="good-job-o" type="danger" @click="isLike(2)"   plain size="small" v-else >点赞</van-button>
      </div>
      <!-- 文章评论区域 -->
      <CommentList></CommentList>
    </div>
  </div>
</template>

<script>
import dayjs from 'dayjs'
import CommentList from '@/views/ArticleDetail/CommentList.vue'
import 'dayjs/locale/zh-cn' // import locale
import * as relativeTime from 'dayjs/plugin/relativeTime' // use locale
import { getAriticleMoreAPI, followingsAPI, unfollowingsAPI, unisLikeAPI, isLikeAPI } from '@/api' // import 插件
dayjs.extend(relativeTime)
dayjs.locale('zh-cn')
export default {
  data () {
    return {
      artObj: {},
      CommentList: []
    }
  },
  async created () {
    // 获取文章详情
    const res = await getAriticleMoreAPI(
      this.$route.query.aid
    )
    console.log('详情', res)
    this.artObj = res.data.data
  },
  methods: {
    // 格式化事件
    timeAgo (targetTime) {
      // 格式化时间
      var a = dayjs()
      var b = dayjs(targetTime)
      const c = a.to(b) // 2 years ago
      // console.log(c)
      return c
    },
    // 关注和取关
    async   followedFn (num) {
      if (num === 1) {
        //  点击已关注
        this.artObj.is_followed = false
        // 取消展示
        await unfollowingsAPI(this.artObj.aut_id)

        // 取消关注的按钮
      } else {
        this.artObj.is_followed = true
        await followingsAPI(this.artObj.aut_id)
      }
    },
    // 点赞和取消
    async isLike (number) {
      if (number === 1) {
        //  点已点赞
        this.artObj.attitude = 0
        // 显示点赞
        // 调用取赞接口
        await unisLikeAPI(this.artObj.art_id)
      } else {
        // 显示已点赞
        this.artObj.attitude = 1
        await isLikeAPI(this.artObj.art_id)
      }
    }
  },
  components: {
    CommentList
  }
}
</script>

<style scoped lang="less">
.article-container {
  padding: 10px;
  margin-top: 46px;
}
.art-title {
  font-size: 16px;
  font-weight: bold;
  margin: 10px 0;
}

.art-content {
  font-size: 12px;
  line-height: 24px;
  width: 100%;
  overflow-x: scroll;
  word-break: break-all;
     /deep/ img{
    width: 100%;
}
    /deep/ pre {
        white-space: pre-wrap;
        word-wrap: break-word;
    }
}

.van-cell {
  padding: 5px 0;
  &::after {
    display: none;
  }
}

.avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: #f8f8f8;
  margin-right: 5px;
  border: none;
}

.like-box {
  display: flex;
  justify-content: center;
}
</style>
